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12
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3k
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iOS Frequently Asked Questions
The iOS-related questions that get asked repeatedly, gathered together in one place. What does a new developer always ask at some point? What are the most common questions when someone is exploring a ...
- 101
Pinned
17
votes
5k
views
Android Frequently Asked Questions
The Android-related questions that get asked repeatedly, gathered together in one place. What does a new developer always ask at some point? What are the most common questions when someone is ...
- 101
Can you answer these questions?
View all unanswered questionsThese questions still don't have an answer
0
votes
0
answers
2
views
How to use libpixman-1.so instead of libpixman-1.so.0 when building qemu-system-x86_64?
I added libqemu-system-x86_64.so to my Android app and this happened:
java.lang.UnsatisfiedLinkError: dlopen failed: library "libpixman-1.so.0" not found: needed by /data/app/~~...
- 1
0
votes
0
answers
2
views
Does jobscheduler have features that Workmanager doesn't have
In the android docs it is mentioned that,
In most cases, the best option for running background tasks is to use WorkManager, though in some cases it may be appropriate to use the platform ...
0
votes
0
answers
10
views
Why is binding null
when the button is clicked, it is located on a fragment, and the method from MainActivity is called. after selecting from the dialog box, the method in the fragment is called again. But in this ...
0
votes
0
answers
7
views
Dependency 'androidx.appcompat:appcompat-resources:1.7.0' requires version 34 or later to compile
How to know a particular version of dependency can be compiled with a minimum/maximum version of Android SDK API version.
e.g. How to know Dependency 'androidx.appcompat:appcompat-resources:1.7.0' ...
- 41
0
votes
0
answers
4
views
2 itemTouchHelpers for 2 recyclerviews not working
Context: WorkoutStartFragment hosts a RecyclerView (For exercises within the workout) that hosts a RecyclerView (For sets). Each RecyclerView has their own itemTouchHelper. For the exercise ...
- 1
Looking for an extra challenge?
View all bountied questionsThese questions have a bounty on them
0
votes
1
answer
39
views
+50
How to convert AdMob `GADFullScreenContentDelegate` to Swift 6 concurrency
This is a similar problem to How to convert `VNDocumentCameraViewControllerDelegate` to Swift 6 Concurrency but one warning is new, so this may require different solution.
I have the following code:
@...
- 1,346
0
votes
0
answers
43
views
+50
How to convert `VNDocumentCameraViewControllerDelegate` to Swift 6 Concurrency
So I have this code:
fileprivate class DocumentScanDelegate: NSObject, VNDocumentCameraViewControllerDelegate {
static let shared = DocumentScanDelegate()
var compressionQuality: CGFloat = 1
...
- 1,346
1
vote
0
answers
115
views
+100
iOS 18 Control Widget that opens a URL
I already have an iOS 17 App Intent that works with a URL:
@available(iOS 16, *)
struct MyAppIntent: AppIntent {
static let title : LocalizedStringResource = "My App Inent"
static ...
- 3,059
2
votes
4
answers
136
views
+50
Error in my flutter project after trying to change sdk target
I can't run my app anymore since i tried to change the target sdk from 33 to 34. Now even when I change it back I get the same error:
FAILURE: Build failed with an exception.
Where:
Build file 'C:\...
0
votes
0
answers
44
views
+50
Splash screen background incorrect in dark mode on miui
I am using Apache cordova to create an app. My splash screen background is set to white however when dark mode is enabled it becomes greyish.
It is white when I change it to light mode.
config.xml
<...
- 609
Recommended answers
View all recommended answersThese answers have been recommended
1
vote
1
answer
53
views
Android compose: offset at a fraction of parent size
I want to place some composables at specific positions on top of an image. However, the image will be responsive (it will resize), so I can't use Modifier.offset(some_fixed_offset.dp).
Modifier.offset(...
Answer
Accepted
Modifier.offset() changes placeable placement based on fixed values via parameters as private class OffsetNode( var x: Dp, var y: Dp, var rtlAware: Boolean ) : LayoutModifierNode, Modifier....
0
votes
1
answer
28
views
Is it possible to save FCM notifications in Firestore?
Send FCM notification to Android device from (Messaging tab) Firebase console. is it possible to save the notification messages in Cloud Firestore ( i.e Firestore database).
- 590k
Answer
There is no built-in export of messages sent from the Firebase console (or through the FCM API) to Firestore. The closest I can think of is to use the message delivery reports or the BigQuery data ...
0
votes
1
answer
23
views
How to manage Activity stack behavior in Android based on dynamic IDs?
I have one ActivityA that contains a specific ID in the intent data, one ActivityB that is open from this ActivityA, and ActivityB can also open the same ActivityA with the same ID or a different one. ...
- 95k
Answer
You can probably accomplish want you want like this: When ActivityA is launched, in its onCreate() it can store the ID into a static variable, that is available to all instances of ActivityA (in ...
0
votes
1
answer
26
views
Why is my @Composable function in Jetpack Compose called after onResume instead of onCreate?
I'm learning how to develop an Android app using Jetpack Compose, and I'm currently working through understanding the activity lifecycle. I noticed an unexpected behavior: my @Composable function is ...
- 91.2k
Answer
Your Composable is evaluated when it’s time to display it on screen. It’s not time to do that until afteronResume(), which is called when an Activity is about to become visible.
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- 91.2k
0
votes
2
answers
17
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How to Achieve a Glassmorphic Background in Jetpack Compose Android?
play music
I'm trying to create a glassmorphic background effect in Jetpack Compose for my Android app. Specifically, I want a background that has a frosted glass effect with a blurred background ...
- 4,667
Answer
Use RenderEffect from Android 12+ In compose it would be something like this Modifier.graphicsLayer( renderEffect = RenderEffect.createBlurEffect(25f,25f, Shader.TileMode.MIRROR)....
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- 73.1k
See what's trending
View all trending questionsThese are the most active questions in Mobile Development Collective
4352
votes
130
answers
1.8m
views
How can I close/hide the Android soft keyboard programmatically?
I have an EditText and a Button in my layout.
After writing in the edit field and clicking on the Button, I want to hide the virtual keyboard when touching outside the keyboard. Can someone provide a ...
- 17.7k
3553
votes
78
answers
1.1m
views
Why is the Android emulator so slow? How can we speed up the Android emulator?
I have got a 2.67 GHz Celeron processor, and 1.21 GB of RAM on a x86 Windows XP Professional machine.
My understanding is that the Android Emulator should start fairly quickly on such a machine, but ...
6391
votes
34
answers
1.5m
views
What is the difference between px, dip, dp, and sp?
What is the difference between the units of measure
px, dip, dp, and sp?
CommunityBot
- 1
3172
votes
54
answers
831k
views
How to stop EditText from gaining focus when an activity starts in Android?
I have an Activity in Android, with two elements:
EditText
ListView
When my Activity starts, the EditText immediately has the input focus (flashing cursor). I don't want any control to have input ...
- 12.5k
2734
votes
65
answers
1.5m
views
How can I fix 'android.os.NetworkOnMainThreadException'?
I got an error while running my Android project for RssReader.
Code:
URL url = new URL(urlToRssFeed);
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory....
- 230
Learn something new
These are the most recent articles in Mobile Development Collective
6
votes
162
views
2 minute read
Basics of Kotlin coroutines
Basics of Kotlin coroutines
What is a coroutine?
A coroutine is a concurrency design pattern that you can use on Android to simplify code that executes asynchronously.
They are“lightweight threads”. ...
- 4,512
8
votes
564
views
1 minute read
Using SwiftData with SwiftUI
One thing we iOS developers should rejoice about is the development of SwiftData, at least if you are coding for a very new project and can forget about iOS versions below 17.
We finally have an ...
- 334
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